o'hare international airport please recycle · 2018. 5. 30. · o'hare international...

O'HARE INTERNATIONAL AIRPORT

APRIL 6, 2018ORD- 314.1F.1

ARGUS JOB NO. 17040

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ARGUS CONSULTING, INC.

VAULT MODIFICATIONS PHASE 1 - PACKAGE 1 SUPER SATELLITEISSUED FOR BID

CS-111

EROSION CONTROL NOTES

ORD-314.1F.1 VAULT MODIFICATIONS PHASE 1

PACKAGE 1 SUPER SATELLITE

O'HARE FUEL COMMITTEE

CHICAGO O'HARE INTERNATIONAL AIRPORT

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ARGUS CONSULTING, INC.ARGUS CONSULTING, INC.

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rtmengineering consultants

650 E. Algonquin Rd., Ste 250

Schaumburg, IL. 60173

T.847.756.4180

www.rtmassociates.com

IL. Design Firm No. 184-006777


SOIL EROSION CONTROL AND SEDIMENT CONTROL NOTES

SOIL EROSION AND SEDIMENT CONTROL (SESC) FEATURES MUST BE CONSTRUCTED PRIOR TO THE COMMENCEMENT OF UPLAND

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CONFERENCE, ONE WEEK PRIOR TO LAND DISTURBING ACTIVITY, AS SOON AS THE INITIAL EROSION CONTROL ITEMS ARE

INSTALLED AND ONE WEEK PRIOR TO FINAL INSPECTION.

DISTURBANCE. SOIL DISTURBANCE MUST BE PHASED OR ENACTED IN SUCH A MANNER AS TO MINIMIZE EROSION. SOIL

STABILIZATION MEASURES MUST CONSIDER THE TIME OF YEAR, SITE CONDITIONS AND THE USE OF TEMPORARY AND/OR

PERMANENT MEASURES. DISTURBANCE OF AREAS NOT INCLUDED IN THE DESIGN WILL REQUIRE NOTIFICATION OF THE NCCSCWD

OR KDSWCD IN ACCORDANCE WITH THE 404 PERMIT SPECIAL CONDITIONS.

UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE

INSTALLED AT MINIMUM ACCORDING TO THE STANDARDS AND SPECIFICATIONS IN THE ILLINOIS URBAN MANUAL, REVISED TO

THE EROSION CONTROL SHOWN ON THE PLANS ARE THE MINIMUM REQUIREMENTS. ADDITIONAL MEASURES MAY BE REQUIRED AS

PRIOR TO COMMENCING LAND-DISTURBING ACTIVITIES OTHER THAN THOSE INDICATED ON THE PLANS (INCLUDING BUT NOT

LIMITED TO ADDITIONAL PHASES OF THE DEVELOPMENT AND OFF-SITE BORROW OR WASTE AREAS), A SUPPLEMENTAL EROSION

THE INSTALLATION, MAINTENANCE, REMOVAL AND RESTORATION OF THE AREA DISTURBED BY THE PLACEMENT OF THE PERIMETER

EROSION BARRIER ARE INCLUDED IN THE CONTRACT UNIT PRICE FOR PERIMETER EROSION BARRIER. AFTER ALL PERIMETER

NCCSWCD, OR KDSWCD.

THE CONTRACTOR MUST CONSULT WITH A CERTIFIED PROFESSIONAL IN EROSION AND SEDIMENT CONTROL (CPESC) FOR THE

1) DISTURBED AREAS OF THE PROJECT SITE THAT HAVE NOT BEEN FULLY STABILIZED, 2) STRUCTURAL CONTROL MEASURES (SILT

FENCES, ETC.), AND 3) LOCATIONS WHERE VEHICLES ENTER AND EXIT THE SITE. AN ADDITIONAL INSPECTION OF THE ITEMS LISTED

THE CONTRACTOR AND SUBCONTRACTORS MUST SUBMIT A WRITTEN AND SIGNED (BY CONTRACTOR) STORM WATER POLLUTION

EROSION BARRIER IS REMOVED, THE AREAS DAMAGED BY THE PERIMETER EROSION BARRIER MUST BE RESTORED.

ALL STORM SEWER INLET STRUCTURES MUST BE PROTECTED WITH STORM SEWER INLET PROTECTION (I.E. INLET FILTERS) PER

THE CONTRACTOR MUST MAINTAIN AND PRESERVE ANY EXISTING SUB-SURFACE DRAINAGE SYSTEMS (I.E. FIELD TILES)

CONSTRUCTION ACTIVITIES MUST BE SCHEDULED TO MINIMIZE THE TIME SOIL IS EXPOSED AND UNPROTECTED. IN NO CASE

WILL THE EXISTING VEGETATION BE DESTROYED, REMOVED, OR DISTURBED MORE THAN FOURTEEN (14) DAYS PRIOR TO THE

INITIATION OF IMPROVEMENTS.

GRAVELED ROADS, ACCESS DRIVES, PARKING AREAS OF SUFFICIENT WIDTH AND LENGTH, AND VEHICLE WASH DOWN FACILITIES

TEMPORARY CONSTRUCTION ENTRANCES WILL BE CONSTRUCTED AT ALL LOCATIONS WHERE CONSTRUCTION TRAFFIC ENTERS

OR LEAVES THE SITE.

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ON PROJECTS WHICH INCLUDE STREAMWORK OR IN-STREAM WORK, THE CONTRACTOR MUST MAINTAIN AN OIL ABSORBENT BOOM

DOWNSTREAM OF EQUIPMENT IN THE CHANNEL AT ALL TIMES. THE CONTRACTOR MUST REPLACE THE OIL ABSORBENT BOOM

WHEN IT BECOMES SATURATED WITH OIL.

PREVENTION PLAN (SWPPP), MEETING THE REQUIREMENTS OF THE IEPA'S CURRENT NPDES STORM WATER PERMIT FOR

CONSTRUCTION SITE ACTIVITIES, INCLUDING DETAILS OF SPECIFIC DEVICES SUCH AS SILT FENCE, DITCH CHECK, ETC. TO BE

THE CONTRACTOR MUST CLEAN UP, GRADE THE WORK AREA AS THE PROJECT PROGRESSES, AND INSTALL EROSION PROTECTION

TO ELIMINATE THE CONCENTRATION OF RUNOFF, OR MUST INSTALL APPROPRIATE SEDIMENT CONTROL DEVICES TO TRAP SEDIMENT.

STOCK PILES OF SOIL MUST NOT BE LOCATED IN FLOOD PLAINS, RIPARIAN AREAS (VEGETATED FLOOD PLAINS), WETLANDS

AND WATERS OF THE U.S. UNLESS OTHERWISE AUTHORIZED BY THE RELEVANT PERMITTING AUTHORITY. IF A STOCKPILE IS TO

REMAIN IN PLACE FOR MORE THAN THREE DAYS, PERIMETER EROSION BARRIER MUST BE PROVIDED. IF THE STOCKPILE

IS INACTIVE FOR MORE THAN 14 DAYS, SOIL STABILIZATION MUST BE PROVIDED BY THE 7TH DAY AFTER ACTIVITY HAS STOPPED.

ON PROJECTS WHICH INCLUDE STREAM WORK OR IN-STREAM WORK, NO WORK IS ALLOWED BEYOND THE PERMITTED AREA. ANY

WORK WITHIN A STREAM OR DITCH CAPABLE OF CONVEYING WATER MUST BE CONDUCTED IN THE DRY. PROVISIONS MUST BE MADE

TO BY-PASS PUMP OR DEWATER ANY AREAS WITHIN THE STREAM OR DITCH IN WHICH WORK WILL BE CONDUCTED. IN HIGH FLOW

CHANNELS WHERE DE-WATERING IS NOT POSSIBLE OR PRACTICAL, SILT OR SEDIMENT CURTAINS MAY BE INSTALLED PARALLEL

TO THE STREAM BANK. IN NO CASE WILL THE CURTAINS BE INSTALLED PERPENDICULAR TO THE FLOW.

WHEN THE CONSTRUCTION IS COMPLETED, THE SITE HAS BEEN FULLY STABILIZED AND ALL DISCHARGES OF STORMWATER

WHEN FILLING A WETLAND ADJACENT TO A W.U.S., EROSION CONTROL MEASURES MUST BE IN PLACE SO THAT WHEN

FILL MATERIAL IS PLACED, OVERLAND FLOW IS NOT ALLOWED TO ACCUMULATE SEDIMENT AND ENTER W.U.S.

LATEST VERSION AS AMENDED. A COPY OF THE APPROVED STORMWATER POLLUTION PREVENTION PLAN MUST BE MAINTAINED

ON THE SITE AT ALL TIMES.

CONSTRUCTION SCHEDULE WEEKLY MEETING, WILL MODIFY STORM WATER POLLUTION PREVENTION PLAN IF NECESSARY. DEPENDING

ON MODIFICATION TO THE WORK SCHEDULE, THE CONTRACTOR MUST SUBMIT DRAWINGS TO THE NCCSWCD OR KDSWCD FOR REVIEW.

13.

IF THE VOLUME, VELOCITY, SEDIMENT LOAD, OR PEAK FLOW RATE OF STORMWATER RUNOFF ARE TEMPORARILY INCREASED

DURING CONSTRUCTION, THEN PROPERTIES AND SPECIAL MANAGEMENT AREAS DOWNSTREAM FROM SUCH DEVELOPMENT

SITES MUST BE PROTECTED FROM EROSION.

DISCRETION OF NCCSWCD, KDSWCD, OR USACE.

DESIGN AND MAINTENANCE OF SEDIMENTATION BASINS WITH BAFFLE SYSTEM AND TRAPS AS WELL AS POLYMERS AND FLOC LOGS.

COMPLIANCE WITH THE PLAN IN THE FIELD AND AUDIT THE LOGS AND RECORDS REQUIRED BY THE PERMIT.

ABOVE MUST BE MADE WITHIN TWENTY-FOUR (24) HOURS OF A 0.5-INCH OR GREATER RAINFALL OR EQUIVALENT SNOWFALL.

ACCORDING TO THE O'HARE MODERNIZATION PROGRAM DESIGN AND CONSTRUCTION STANDARDS.

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ALL CONTROL MEASURES NECESSARY TO MEET THE REQUIREMENTS OF THE DUPAGE COUNTY COUNTYWIDE

STORMWATER AND FLOOD PLAIN ORDINANCE OR THE WAIVER COMMUNITY ORDINANCE MUST BE KEPT OPERATIONAL

AND MAINTAINED CONTINUOUSLY THROUGHOUT THE PERIOD OF LAND DISTURBANCE UNTIL PERMANENT SEDIMENT

AND EROSION CONTROL MEASURES ARE OPERATIONAL (INCLUDED ONLY IN CONSTRUCTION PROJECTS LOCATED

WITHIN DUPAGE COUNTY).

DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO FILTER BAGS, SEDIMENT TRAPS, SILT TRAPS, OR POLYMER

TREATMENT CHANNELS. FILTERED WATER SHOULD BE DISCHARGED ONTO STABILIZED SURFACE TO PREVENT ADDITIONAL EROSION

AND/OR SEDIMENTATION. DEWATERING DIRECTLY INTO FIELD TILES, STORM WATER STRUCTURES, OR "WATERS OF THE U.S."

IS PROHIBITED.

THE COMMISSIONER IS REQUIRED TO SUBMIT A NOTICE OF INTENT (NOI) TO THE ILLINOIS ENVIRONMENTAL PROTECTION AGENCY

(IEPA) FOR THE PROJECT. THE CONTRACTOR IS NOT PERMITTED TO BEGIN WORK UNTIL 30 DAYS FOLLOWING COMMISSIONER'S

SUBMITTAL OF THE NOI.

BE IN PLACE WITHIN 3 DAYS OF DISTURBANCE AND ANY EMERGENCY SESC MEASURES MUST BE INSTALLED IMMEDIATELY AT THE

CONTROL PLAN MUST BE SUBMITTED TO THE COMMISSIONER FOR REVIEW BY NCCSCWD OR KDSWCD. THE CONTRACTOR BASED ON THE

PAVEMENT MUST BE CLEANED DAILY OR AS NECESSARY TO REMOVE EARTHEN MATERIAL TO THE SATISFACTION OF THE COMMISSIONER,

UTILIZED FOR EROSION AND SEDIMENT CONTROL. THE PLAN MUST BE SUBMITTED AND APPROVED BY THE COMMISSIONER A MINIMUM

OF TEN (10) DAYS PRIOR TO INITIATION OF CONSTRUCTION ACTIVITIES. A COPY OF THE APPROVED SWPPP MUST BE GIVEN TO

THE COMMISSIONER'S REPRESENTATIVE FIVE DAYS PRIOR TO THE START OF CONSTRUCTION ACTIVITIES.

THE CONTRACTOR AND COMMISSIONER MUST MAKE INSPECTIONS A MINIMUM OF ONCE EVERY SEVEN DAYS OF THE FOLLOWING:

THE CONTRACTOR AND COMMISSIONER MUST KEEP A WRITTEN REPORT SUMMARIZING THE REQUIRED INSPECTION EACH TIME

AN INSPECTION TAKES PLACE. THE REPORTS MUST BE KEPT AT THE SITE DURING CONSTRUCTION. THE REPORTS

MUST ALSO BE RETAINED FOR THREE YEARS FROM THE DATE THE SITE IS FINALLY STABILIZED.

THE COMMISSIONER'S REPRESENTATIVE MUST NOTIFY THE APPROPRIATE AGENCY FIELD OPERATIONS OFFICE OF THE IEPA BY EMAIL,

TELEPHONE OR FAX WITHIN 24 HOURS OF ANY INCIDENCE OF NONCOMPLIANCE AND MUST FILL OUT AND FILE WITHIN FIVE (5) DAYS

WITH THE EPA AN INCIDENCE OF NONCOMPLIANCE (ION) FORM WHEN REQUIRED BY THE PERMIT.

THE CONTRACTOR MUST COOPERATE WITH THE COMMISSIONER'S REPRESENTATIVES WHO WILL MAKE SITE VISITS TO REVIEW

INLET PROTECTION DETAILS IN THE PLANS. ALTERNATE TYPES OF PROTECTION MAY BE SUBMITTED FOR REVIEW AND APPROVAL

BY THE COMMISSIONER, NCCSWCD OR KDSWCD.

NCCSCWD OR KDSWCD MUST APPROVE SIZE AND NUMBER OF TEMPORARY STREAM CROSSINGS. TEMPORARY STREAM CROSSINGS

MUST BE DESIGNED BY A QUALIFIED ENGINEER SUCH THAT ADDITIONAL FLOODING AND EROSION DO NOT OCCUR. AN APPROVED

TEMPORARY STREAM CROSSING DETAIL IS PROVIDED IN THE CONTRACT DOCUMENTS. IN CASE OF REGULATED WATERWAYS,

A TEMPORARY STREAM CROSSING PERMIT MUST BE OBTAINED FROM THE ILLINOIS DEPARTMENT OF NATURAL RESOURCES - OFFICE

OF WATER RESOURCES (IDNR-OWR) PRIOR TO INSTALLATION. THE COMMISSIONER WILL FACILITATE THE PERMIT APPLICATION

PROCESS THROUGH THE (IDNR-OWR). TEMPORARY STREAM CROSSINGS BUILT IN A REGULATED WATERWAY, MUST BE DESIGNED

AND INSTALLED PER IDNR-OWR PERMIT REQUIREMENTS.

AUTHORIZED BY THE PERMIT HAVE BEEN ELIMINATED, THE CONTRACTOR MUST PROVIDE A LETTER TO THE COMMISSIONER OR

COMMISSIONER'S REPRESENTATIVE STATING THESE FACTS.

AFTER THE SITE HAS BEEN PERMANENTLY STABILIZED AND ANY/ALL STORMWATER DISCHARGES, AUTHORIZED UNDER THE ILR10

PERMIT ARE ELIMINATED, THE COMMISSIONER WILL SUBMIT A COMPLETED NOTICE OF TERMINATION (NOT) SIGNED IN ACCORDANCE

WITH PART VI.G (SIGNATORY REQUIREMENTS) OF THE ILR10 PERMIT TO IEPA.

IF NECESSARY, MUST BE PROVIDED TO PREVENT THE DEPOSIT OF SOIL FROM BEING TRACKED ONTO PUBLIC OR PRIVATE ROADWAYS.

ANY SOIL REACHING PUBLIC OR PRIVATE ROADWAY MUST BE REMOVED IMMEDIATELY.

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THE CONTRACTOR SHALL CONTACT THE NORTH COOK COUNTY SOIL AND WATER CONSERVATION DISTRICT (NCCSWCD)

AS APPROPRIATE, ONE WEEK PRIOR TO THE PRE-CONSTRUCTION

DIRECTED BY THE COMMISSIONER'S REPRESENTATIVE OR THE NCCSCWD OR USACE. ALL ADDITIONAL MEASURES MUST

30.ANY STORM SEWERS THAT ARE BEING INSTALLED THAT WILL FUNCTION (EVEN PARTIALLY COMPLETED) MUST BE BLOCKED OFF AT

END OF EACH WORKING DAY.

CS-112

STORMWATER POLLUTION

PREVENTION PLAN





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T.847.756.4180




" TEMPORARY STABILIZATION WITH POLYMER, STRAW MULCH AT A RATE OF 2 TON/ACRE,

OR TEMPORARY SEEDING MUST BE USED TO STABILIZE CONSTRUCTION AREAS WHERE

AT A MINIMUM, SITE EROSION AND SEDIMENT CONTROLS AND OVERALL SITE MANAGEMENT

SHOULD:

* CONTROL STORM WATER VOLUME WITHIN THE SITE TO MINIMIZE SOIL EROSION;

* CONTROL STORM WATER DISCHARGES, INCLUDING BOTH PEAK FLOW RATES AND

TOTAL STORM WATER VOLUME, TO MINIMIZE EROSION AT OUTLETS AND TO

MINIMIZE DOWNSTREAM CHANNEL AND STREAM BANK EROSION;

* MINIMZE THE AMOUNT OF SOIL EXPOSED DURING CONSRUCTION ACTIVITY;

* MINIMIZE THE DISTURBANCE OF STEEP SLOPES;

PRECIPITATION, THE NATURE OF RESULTING STORM WATER RUNOFF, AND SOIL

CHARACTERISTICS, INCLUDING THE RANGE OF SOIL PARTICLE SIZES EXPECTED TO

* ADDRESS FACTORS SUCH AS THE AMOUNT, FREQUENCY, INTENSITY, AND DURATION OF

* PROVIDE AND MAINTAIN NATURAL BUFFERS AROUND SURFACE WTAERS, DIRECT STORM

WATER TO VEGETATED AREAS TO INCREASE SEDIMENT REMOVAL AND MAXIMIZE STORM

WATER INFILTRATION (UNLESS INFEASIBLE);

AND;

* MINIMZE SOIL COMPACTION AND UNLESS INFEASIBLE, PRESERVE TOPSOIL.

THE TOTAL AREA OF THE SITE THAT IS ESTIMATED TO BE DISTURBED BY

THE TOTAL AREA OF THE CONSTRUCTION SITE IS ESTIMATED TO BE 0.70 ACRES.

EXCAVATION, GRADING, EXCAVATION, GRADING OR OTHER ACTIVITIES IS 0.70

ACRES. THE ESTIMATED RUNOFF COEFFICIENT OF THE SITE WILL NOT EXCEED EXISTING

CONDITIONS AFTER CONSTRUCTION ACTIVITIES ARE COMPLETED. THE EXISTING SOIL IS LEAN

CLAY TO SILTY CLAY.

SITE DESCRIPTION

CONSTRUCTION ACTIVITIES MAY BE AS FOLLOWS: (GRUBBING, CLEARING, EXCAVATION,

THIS PLAN HAS BEEN PREPARED TO COMPLY WITH IEPA'S GENERAL NPDES

PERMIT NO. ILR10 FOR STORMWATER DISCHARGES FROM CONSTRUCTION

SITE ACTIVITIES.

THE AERIAL EXTENT OF WETLAND ACREAGE AT THE SITE IS 0.00 ACRES.

EROSION AND SEDIMENT CONTROLS

STABILIZATION PRACTICES: THE FOLLOWING INTERIM AND PERMANENT STABILIZATION

" STABILIZATION OF DISTURBED AREAS MUST, AT A MINIMUM, BE INITIATED

IMMEDIATELY WHENEVER ANY CLEARING, GRADING, EXCAVATING, OR OTHER EARTH

DISTURBING ACTIVITIES HAVE PERMANENTLY CEASED ON ANY PORTION OF THE SITE

AND WILL NOT RESUME FOR A PERIOD EXCEEDING 14 CALENDAR DAYS.

" STABILIZATION OF DISTURBED AREAS MUST BE INITIATED WITHIN 1 WORKING DAY OF

PERMANENT OR TEMPORARY CESSATION OF EARTH DISTURBING ACTIVITIES AND

SHALL BE COMPLETED AS SOON AS POSSIBLE BUT NOT LATER THAN 14 DAYS FROM

THE INITIATION OF STABILIZATION WORK IN AN AREA. EXCEPTIONS TO THESE TIME

FRAMES ARE SPECIFIED AS FOLLOWS:

" WHERE THE INITIATION OF STABILIZATION MEASURES IS PRECLUDED

BY SNOW COVER. STABILIZATION MEASURES SHALL BE INITIATED A SOON

AS PRACTICABLE.

" ON AREAS WHERE CONSTRUCTION ACTIVITY CEASED AND WILL RESUME

AFTER 14 DAYS, A TEMPORARY STABILIZATION METHOD CAN BE USED.

STABILIZATION PRACTICES - IMPLEMENTATION REQUIREMENTS (CONTINUED)

* LIST ADDITIONAL PRACTICES HERE

STABILIZATION MUST BE INITIATED WITHIN 1 DAY OF PERMANENT OR TEMPORARY

CESSATION OF EARTH DISTURBING ACTIVITIES. BOTH MULCH AND/OR TEMPORARY SEEDING

MUST INCLUDE POLYMER IN ADDITION TO THE MIX.

TEMPORARY STABILIZATION. STOCKPILES OF SOIL MUST NOT BE LOCATED IN FLOODPLAINS,

RIPARIAN AREAS (VEGETATIVE FLOODPLAINS), WETLANDS, AND WATER OF THE U.S.

BMPS - POST-CONSTRUCTION STORM WATER MANAGEMENT

PROVIDED BELOW IS A DESCRIPTION OF MEASURES THAT WILL BE INSTALLED DURING THE

CONSTRUCTION PROCESS TO CONTROL THE POLLUTANTS IN STORM WATER DISCHARGES THAT

* INFILTRATION OF ONSITE RUNOFF

THE TECHNICAL GUIDANCE CONTAINED IN THE ILLINOIS URBAN MANUAL, 2012 AND OTHER

ORDINANCES LISTED IN THE SPECIFICATIONS. POST CONSTRUCTION STORM WATER CONTROL

MEASURES SHALL INCLUDE:

USE OF TREATMENT CHEMICALS:

IF POLYMERS, FLOCCULATES, OR OTHER TREATMENT CHEMICALS ARE USED AT THE SITE, THEIR USE

MUST COMPLY WITH THE FOLLOWING MINIMUM REQUIREMENTS:

* SELECT APPROPRIATE TREATMENT CHEMICALS. CHEMICALS MUST BE SELECTED THAT ARE

APPROPRIATELY SUITED TO THE TYPES OF SOILS LIKELY TO BE EXPOSED DURING CONSTRUCTION

AND DISCHARGED TO LOCATIONS WHERE CHEMICALS WILL BE APPLIED, AND TO THE EXPECTED

TURBIDITY, PH, AND FLOW RATE OF STORM WATER FLOWING INTO THE CHEMICAL TREATMENT

SYSTEM OR AREA.

* MINIMIZE DISCHARGE RISK FROM STORED CHEMICALS. STORE ALL TREATMENT CHEMICALS IN

LEAK-PROOF CONTAINERS THAT ARE KEPT UNDER STORM-RESISTANT COVER AND SURROUNDED

BY SECONDARY CONTAINMENT STRUCTURES (E.G. SPILL BERMS, DECKS, SPILL CONTAINMENT

PALLETS), OR PROVIDED EQUIVALENT MEASURES, DESIGNED AND MAINTAINED TO MINIMIZE THE

POTENTIAL DISCHARGE OF TREATMENT CHEMICALS IN STORM WATER OR BY ANY OTHER MEANS

(E.G. STORING CHEMICALS IN COVERED AREA OR HAVING A SPILL KIT AVAILABLE ON SITE).

USE OF TREATMENT CHEMICALS (CONTINUED):

* TREATMENT CHEMICALS AND CHEMICAL TREATMENT SYSTEMS SHOULD BE USED IN

ACCORDANCE WITH GOOD ENGINEERING PRACTICES, AND WITH DOSING

SPECIFICATIONS AND SEDIMENT REMOVAL DESIGN SPECIFICATIONS PROVED BY

THE PROVIDED/SUPPLIER OF THE APPLICABLE CHEMICALS, OR DOCUMENT SPECIFIC

DEPARTURES FROM THESE PRACTICES OR SPECIFICATIONS AND HOW THEY REFLECT

GOOD ENGINEERING PRACTICE.

* MAINTAIN ASSOCIATED MSDS ON SITE.

* ENSURE THAT ALL PERSONS WHO HANDLE AND USE TREATMENT CHEMICALS AT THE

CONSTRUCTION SITE ARE PROVIDE WITH APPROPRIATE, PRODUCT-SPECIFIC

TRAINING. THE TRAINING MUST COVER PROPER DOSING REQUIREMENTS.

PROVIDE AN EXPLANATION OF THE TECHNICAL BASIS USED TO SELECT PRACTICES TO

CONTROL POLLUTION PREVENTION WHERE POST-CONSTRUCTOIN FLOWS WILL EXCEED

PREDEVELOPMENT LEVELS HERE:

CONCRETE WASTE OR WASHOUT SHOULD NOT BE ALLOWED IN THE STREET OR ALLOWED

TO REACH A STORM WATER DRAINAGE SYSTEM OR WATERCOURSE. CONCRETE WASHOUT

SHOULD BE COMPLETED OFF SITE, OR IF ALLOWED ON SITE BY THE PRIMARY CONTACT,

WASHOUT SHOULD BE CONTAINED AND COMPLETED IN A LOCATION DESIGNATED BY THE

PRIMARY OR SECONDARY CONTACT.

INSTALLATION OF THESE DEVICES MAY BE SUBJECT TO SECTION 404 OF THE CLEAN WATER ACT.

WILL OCCUR AFTER THE CONSTRUCTION OPERATIONS HAVE BEEN COMPLETED. THE

ENGINEER SUCH THAT ADDITIONAL FLOODING AND EROSION DOES NOT OCCUR. AN

APPROVED TEMPORARY STREAM CROSSING DETAILS IS PROVIDED IN THE CONTRACT

DOCUMENTS. IN CASE OF REGULATED WATERWAYS, A TEMPORARY STREAM CROSSING

PERMIT MUST BE OBTAINED FROM THE ILLINOIS DEPARTMENT OF NATURAL RESOURCES -

OFFICE OF WATER RESOURCES (IDNR-OWR) PRIOR TO INSTALLATION. THE COMMISSIONER

WILL FACILITATE THE PERMIT APPLICATION PROCESS THROUGH THE (IDNR-OWR).

TEMPORARY STREAM CROSSINGS BUILT IN A REGULATED WATERWAY, MUST BE DESIGNED

AND INSTALLED PER IDNR-OWR PERMIT REQUIREMENTS.

VEHICLE/EQUIPMENT STORAGE, MAINTENANCE, & WASHING:

* STORMWATER DETENTION STRUCTURES (INCLUDING WET PONDS)

* STORMWATER RETENTION STRUCTURES

* SEQUENTIAL SYSTEMS (WHICH COMBINE SEVERAL PRACTICES)

* FLOW AND ATTENUATION BY USE OF OPEN VEGETATED

SWALES AND NATURAL DEPRESSIONS

THE FOLLOWING IS A DESCRIPTION OF THE NATURE OF THE CONSTRUCTION ACTIVITY

OR DEMOLITION WHICH IS THE SUBJECT OF THIS PLAN:

THE PROPOSED PROJECT CONSISTS OF THE CONSTRUCTION OF A NEW

UNDERGROUND FUEL VAULT AND ASSOCIATED PIPING.

WHICH WILL DISTURB SOIL ON MAJOR PORTIONS OF THE CONSTRUCTION SITE. THE

GRADING, BUILDING INFRASTRUCTURE, ETC.).

THE RECEIVING WATER BODY FOR THIS PROJECT IS: O'HARE SOUTH DETENTION BASIN

CONTROLS:

THIS SECTION OF THE PLAN ADDRESSES THE VARIOUS CONTROLS THAT MUST BE

IMPLEMENTED FOR EACH OF THE MAJOR CONSTRUCTION ACTIVITIES DESCRIBED ABOVE.

FOR EACH MEASURE DISCUSSED, THE CONTRACTOR WILL BE RESPONSIBLE FOR ITS

IMPLEMENTATION AS INDICATED. EACH SUCH CONTRACTOR HAS SIGNED THE REQUIRED

CERTIFICATION ON FORMS WHICH ARE ATTACHED TO, AND ARE A PART OF THIS PLAN.

THE EROSION CONTROL PLAN DRAWINGS INCLUDED DEFINE THE SIZE AND LOCATION OF

THE MEASURES TO BE INSTALLED DURING THE CONSTRUCTION OF THIS PROJECT.

UNLESS OTHERWISE SPECIFIED IN THE ILLINOIS URBAN MANUAL, THE STORM WATER

POLLUTION PREVENTION PLAN MUST BE DESIGNED FOR A STORM EVENT EQUAL TO OR

GREATER THAN A 25-YEAR 24 HOUR RAINSTORM EVENT.

* MINIMIZE SEDIMENT DISCHARGES FROM THE SITE;

BE PRESENT ON SITE;

PRACTICES, AS A MINIMUM, MUST BE IMPLEMENTED TO STABILIZE THE DISTURBED

AREA OF THE SITE:

TEMPORARY SEEDING

* PERMANENT SEEDING

ROLLED EROSION CONTROL PRODUCTS (STRAW MULCH BLANKET, ETC...)

GRANULAR POLYMER STABILIZATION

SOD STABILIZATION

ROCK STABILIZATION

MULCHING/HYDROSEEDING

DUST CONTROL (WATER OR POLYMER)

PRESERVATION OF EXISTING VEGETATION

LIST ADDITIONAL PRACTICES HERE

INTERIM AND PERMANENT STABILIZATION PRACTICES, INCLUDING SITE-SPECIFIC

SCHEDULING OF THE IMPLEMENTATION OF THE PRACTICES ARE INCLUDED IN THIS

STORMWATER POLLUTION PREVENTION PLAN. SITE PLANS MUST ENSURE THAT EXISTING

VEGETATION IS PRESERVED WHERE ATTAINABLE AND DISTURBED PORTIONS OF THE SITE

WILL BE STABILIZED. STABILIZATION PRACTICES MAY INCLUDE: TEMPORARY

STABILIZATION WITH STRAW MULCH, TEMPORARY PRESERVATION OF EXISTING

VEGETATION, AND OTHER APPROPRIATE MEASURES. THE SURFACE OF STRIPPED AREAS

MUST BE PERMANENTLY OR TEMPORARILY PROTECTED FROM SOIL EROSION WITHIN 7

DAYS AFTER FINAL GRADING IS REACHED. TEMPORARY SEDIMENT AND EROSION CONTROL

MEASURES MUST BE MAINTAINED CONTINUOUSLY UNTIL PERMANENT COVER IS

ESTABLISHED. ANY OPEN DITCH OR SWALE MUST BE STABILIZED 24 HOURS AFTER

REACHING FINAL GRADE AND BEFORE CONCENTRATED FLOWS ARE DIVERTED TO THOSE

DITCHES. NO PART OF THE DITCH OR SWALE MUST BE LEFT UNSTABLE FOR MORE THAN

7 DAYS.

STABILIZATION PRACTICES - IMPLEMENTATION REQUIREMENTS

CONSTRUCTION ACTIVITY IS HALTED FOR MORE THAN 14 DAYS. TEMPORARY

" STOCKPILES TO REMAIN IN PLACE MORE THAN 3 DAYS MUST BE SURROUNDED

WITH SILT FENCE AND "TRACK WALKED" UP AND DOWN THE SLOPE TO PREVENT FURTHER

EROSION. STOCKPILES TO REMAIN UNDISTURBED MORE THAN 14 DAYS MUST RECEIVE

" REMOVAL OF EXISTING VEGETATION /TOPSOIL AND GRADING ACTIVITIES

MUST BE CONDUCTED IN A MANNER THAT LIMITS THE AMOUNT OF EXPOSED AREA AT ANY

ONE TIME. WHEN GRADING IS FINAL, PERMANENT SITE STABILIZATION MUST BE

COMPLETED USING PERMANENT SEEDING AND EROSION BLANKET ON SLOPES 4:1 OR

STEEPER AND HYDROMULCH ON SLOPES FLATTER THAN 4:1.

" DUST CONTROL MUST BE ACCOMPLISHED USING WATERING TRUCKS.

STRUCTURAL PRACTICES: THE FOLLOWING STRUCTURAL PRACTICES, AS A MINIMUM,

MUST BE IMPLEMENTED TO CONTROL SEDIMENT FROM THE DISTURBED AREAS ON SITE:

* PERIMETER EROSION BARRIER (SILT FENCE)

* AREA INLET OR CURB INLET PROTECTION

* OUTLET PROTECTION

* STABILIZED CONSTRUCTION ENTRANCE, HAUL ROAD, STAGING AREA

* TEMPORARY OR PERMANENT SEDIMENT BASIN/TRAP

* STABILIZED DIVERSION DITCHES

* POLYMER (FLOC LOG) FILTRATION SYSTEM

* SEDIMENT FILTER BAGS

* CHECK DAMS, ROCK OR OTHER MATERIALS

* RETAINING OR GABION WALLS

* NON-ERODIBLE COFFERDAM

STRUCTURAL PRACTICES MUST BE IMPLEMENTED, TO THE DEGREE ATTAINABLE, TO

DIVERT FLOWS FROM EXPOSED SOILS, STORE FLOWS OR OTHERWISE LIMIT RUNOFF AND

THE DISCHARGE OF POLLUTANTS FROM EXPOSED AREA OF THE SITE. THE

INSTALLATION OF THESE DEVICES MAY BE SUBJECT TO SECTION 404 OF THE CLEAN

WATER ACT.

STRUCTURAL PRACTICES - IMPLEMENTATION REQUIREMENTS

* WATERS OF THE U.S. WITHIN OR ADJACENT TO THE PROJECT MUST BE PROTECTED

WITH PERIMETER EROSION BARRIER.

* ALL STORM SEWER INLET STRUCTURES MUST BE PROTECTED WITH STORM SEWER

INLET PROTECTION (I.E. INLET FILTERS) PER INLET PROTECTION DETAILS IN THE

PLANS. ALTERNATE TYPES OF PROTECTION MAY BE SUBMITTED FOR REVIEW AND

APPROVAL BY THE COMMISSIONER, NCCSWCD OR KDSWCD.

* TEMPORARY SEDIMENT BASINS/TRAPS MUST BE CONSTRUCTED TO COLLECT SEDIMENT

AND HAVE A STABILIZED OUTFALL INSTALLED TO PREVENT ADDITIONAL SEDIMENTATION INTO

THE RECEIVING BODY OF WATER. A STABILIZED SURFACE MUST BE PROVIDED AT THE

DISCHARGE POINT OF PUMPS TO PREVENT SCOURING THE WALLS OF THE BASIN/TRAP.

THE USE OF POLYMERS AND/OR BAFFLES MAY BE REQUIRED IN THE SEDIMENT

BASINS/TRAPS IF THE WATER QUALITY IS NOT IMPROVED SUFFICIENTLY WITH

SEDIMENT BASINS/TRAPS ALONE.

* NCCSCWD OR KDSWCD MUST APPROVE SIZE AND NUMBER OF TEMPORARY STREAM

CROSSINGS. TEMPORARY STREAM CROSSING MUST BE DESIGNED BY A QUALIFIED

* TEMPORARY CONSTRUCTION ENTRANCES AND EXITS MUST BE CONSTRUCTED AT ALL

LOCATIONS WHERE CONSTRUCTION TRAFFIC ENTERS OR LEAVES THE SITE. RUNOFF FROM

HAUL ROADS MUST NOT DRAIN DIRECTLY TO WATERS OF THE U.S.

* COMPLY WITH ILLINOIS URBAN MANUAL, 2012 POLYACRYLAMIDE PRACTICE STANDARDS

THE PRACTICES SELECTED FOR IMPLEMENTATION WERE DETERMINED ON THE BASIS OF

* STORMWATER DETENTION BASINS

* STORMWATER RETENTION STRUCTURES

* UNDERGROUND DETENTION SYSTEMS

* SEPARATORS

* OPEN VEGETATED SWALES & NATURALIZED BASINS


VELOCITY DISSIPATION DEVICES MUST BE PLACED AT DISCHARGE LOCATIONS AND

ALONG THE LENGTH OF ANY OUTFALL CHANNEL AS NECESSARY TO PROVIDE A

NON-EROSIVE VELOCITY FLOW FROM THE STRUCTURE TO A WATER COURSE SO THAT THE

NATURAL PHYSICAL AND BIOLOGICAL CHARACTERISTICS AND FUNCTIONS ARE

MAINTAINED AND PROTECTED (I.E., MAINTENANCE OF HYDROLOGIC CONDITIONS, SUCH

AS THE HYDROPERIOD AND HYDRODYNAMICS PRESENT PRIOR TO THE INITIATION OF

CONSTRUCTION ACTIVITIES).

* INFILTRATION OF RUNOFF ON SITE


OTHER CONTROLS

WASTE DISPOSAL: THE SOLID WASTE MATERIALS INCLUDING TRASH, CONSTRUCTION

DEBRIS, EXCESS CONSTRUCTION MATERIALS, MACHINERY, TOOLS AND OTHER ITEMS

MUST BE COLLECTED AND DISPOSED OFF-SITE BY THE CONTRACTOR. THE CONTRACTOR

IS RESPONSIBLE FOR THE ACQUISITION OF THE NECESSARY DISPOSAL PERMITS. BURNING

ON THE SITE WILL NOT BE PERMITTED. NO SOLID MATERIALS, INCLUDING BUILDING

MATERIALS, MUST BE DISCHARGED INTO WATERS OF THE STATE, EXCEPT AS

AUTHORIZED BY A SECTION 404 PERMIT.

ON SITE CONCRETE WASHOUT CONTAINMENT FACILITIES SHOULD BE OF SUFFICIENT VOLUME

TO COMPLETELY CONTAIN ALL LIQUID AND CONCRETE WASTE MATERIALS INCLUDING ENOUGH

CAPACITY FOR ANTICIPATED LEVELS OF RAINWATER. CONTAINMENT FACILITIES SHALL BE

LINED WITH A 30-MIL IMPERMEABLE LINER. THE DRIED CONCRETE WASTE MATERIAL SHOULD

BE PICKED UP AND DISPOSED OF PROPERLY WHEN TWO-THIRDS CAPACITY IS REACHED.

APPLICABLE STATE AND/OR LOCAL WASTE DISPOSAL, SANITARY SEWER OR SEPTIC

SYSTEM REGULATIONS.

THE PROVISIONS OF THIS PLAN MUST ENSURE AND DEMONSTRATE COMPLIANCE WITH

WHENEVER POSSIBLE, VEHICLE AND EQUIPMENT MAINTENANCE AND WASHING SHOULD OCCUR

OFF SITE AT APPROPRIATE AREAS. IF VEHICLE AND EQUIPMENT MAINTENANCE MUST OCCUR

ON SITE, (INCLUDING BOTH ROUTINE MAINTENANCE) REPAIRS AND MAINTENANCE SHOULD BE

MADE WITHIN A DESIGNATED CONTAINMENT AREA TO PREVENT THE MIGRATION OF MECHANICAL

FLUIDS (OIL, ANTIFREEZE, ETC.) INTO WATERCOURSES, WETLANDS OR STORM DRAINS. DRIP

PANS OR ABSORBENT PADS SHOULD BE USED FOR ALL VEHICLE AND EQUIPMENT MAINTENANCE

ACTIVITIES THAT INVOLVE GREASE, OIL, SOLVENTS, OR OTHER VEHICLE FLUIDS. CONSTRUCTION

VEHICLES SHOULD BE INSPECTED FREQUENTLY TO IDENTIFY ANY LEAKS; LEAKS SHOULD BE

REPAIRED IMMEDIATELY OR THE VEHICLE SHOULD BE REMOVED FROM SITE. DISPOSE OF ALL

USED OIL, ANTIFREEZE, SOLVENTS AND OTHER VEHICLE RELATED CHEMICALS IN ACCORDANCE

WITH USEPA AND IEPA REGULATIONS AND PER MATERIAL SAFETY DATA SHEET (MSDS) AND/OR

MANUFACTURER INSTRUCTIONS. CONTRACTORS SHOULD IMMEDIATELY REPORT SPILLS TO

THE COMMISSIONER.

VEHICLE/EQUIPMENT WASH WATER SHOULD BE TREATED IN A SEDIMENT TRAP OR OTHER BMP

THAT WILL PROVIDE EQUIVALENT OR BETTER TREATMENT PRIOR TO DISCHARGE. BLOWERS

OR VACUUMS SHOULD BE USED INSTEAD OF RINSE WATER TO REMOVE DRY MATERIALS FROM

VEHICLES WHENEVER POSSIBLE. IF DETERGENTS ARE REQUIRED TO CLEAN VEHICLES OR

EQUIPMENT, BIODEGRADABLE DETERGENTS AND WASH PRODUCTS FREE OF HALOGENATED

SOLVENTS SHOULD BE USED. THE LOCATION OF WASH AREAS SHOULD BE DOCUMENTED ON

THE SITE MAP, AND WORKERS SHOULD BE NOTIFIED OF THE WASH AREAS. DO NOT PERFORM

OTHER ACTIVITIES, SUCH AS VEHICLE REPAIRS, IN A WASH AREA. WHEN NOT IN USE, VEHICLES

UTILIZED ON SITE FOR CONSTRUCTION OPERATIONS SHOULD BE STORED IN A DESIGNATED

AREA OUTSIDE OF THE REGULATORY FLOODPLAIN, AWAY FROM ANY NATURAL OR CREATED

WATERCOURSE, POND, DRAINAGE-WAY OR STORM DRAIN.

THE FOLLOWING IS A DESCRIPTION OF THE INTENDED SEQUENCE OF MAJOR ACTIVITIES

1. INSTALL PERIMETER EROSION BARRIER

2. DEMOLITION, EXCAVATION, GRADING AND TOPSOIL STRIPPING

3. INSTALLATION OF PIPING AND FUEL VAULT

4. RESTORATION OF PAVEMENTS AND LANDSCAPE AREAS WITH SEEDING &

PERMANENT STABILIZATION

CS-113

STORMWATER POLLUTION

PREVENTION PLAN





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MATERIAL STORAGE AND GOOD HOUSEKEEPING:

SOLID WASTE MATERIALS INCLUDING TRASH, CONSTRUCTION DEBRIS, EXCESS CONSTRUCTION

MATERIALS, MACHINERY, TOOLS AND OTHER ITEMS WILL BE COLLECTED AND DISPOSED OF

OFFSITE. THE TRADE/CONTRACTOR IS RESPONSIBLE TO ACQUIRE THE PERMIT REQUIRED FOR

SUCH DISPOSAL. BURNING ON SITE WILL NOT BE PERMITTED. NO SOLID MATERIALS, INCLUDING

BUILDING MATERIALS, SHALL BE DISCHARGED TO WATERS OF THE STATE, EXCEPT AS

AUTHORIZED BY A SECTION 404 PERMIT. ALL WASTE MATERIALS SHOULD BE COLLECTED AND

STORED IN APPROVED RECEPTACLES. NO WASTES SHOULD BE PLACED IN ANY LOCATION OTHER

THAN IN THE APPROVED CONTAINERS APPROPRIATE FOR THE MATERIALS BEING DISCARDED.

THERE SHOULD BE NO LIQUID WASTES DEPOSITED INTO DUMPSTERS OR OTHER CONTAINERS

WHICH MAY LEAK. RECEPTACLES WITH DEFICIENCIES SHOULD BE REPLACED AS SOON AS

POSSIBLE AND THE APPROPRIATE CLEAN-UP PROCEDURE SHOULD TAKE PLACE, IF NECESSARY.

CONSTRUCTION WASTE MATERIAL IS NOT TO BE BURIED ON SITE. WASTE DISPOSAL SHOULD

COMPLY WITH ALL LOCAL, STATE, AND FEDERAL REGULATIONS. CONTRACTORS SHOULD

IMMEDIATELY REPORT ALL SPILLS TO THE PRIMARY CONTACT, WHO SHOULD NOTIFY THE

APPROPRIATE AGENCIES, IF NEEDED.

THE FOLLOWING GOOD HOUSEKEEPING PRACTICES SHOULD BE FOLLOWED ON SITE DURING

THE CONSTRUCTION PROJECT:

* MINIMIZE THE EXPOSURE OF BUILDING MATERIALS, BUILDING PRODUCTS, CONSTRUCTION

WASTE, TRASH, LANDSCAPE MATERIALS, FERTILIZERS, PESTICIDES, HERBICIDES, DETERGENTS,

SANITARY WASTE AND OTHER MATERIALS ONSITE TO PRECIPITATION AND STORM WATER.

* AN EFFORT SHOULD BE MADE TO STORE ONLY ENOUGH PRODUCT REQUIRED TO DO THE JOB.

* ALL MATERIALS STORED ON SITE SHOULD BE STORED IN A NEAT, ORDERLY MANNER IN THEIR

APPROPRIATE CONTAINERS AND ADEQUATELY PROTECTED FROM THE ENVIRONMENT.

* PRODUCTS SHOULD BE KEPT IN THEIR ORIGINAL CONTAINERS WITH THE ORIGINAL

MANUFACTURER’S LABEL.

* SUBSTANCES SHOULD NOT BE MIXED WITH ONE ANOTHER UNLESS RECOMMENDED BY

THE MANUFACTURER.

* OPERATIONS SHOULD BE OBSERVED AS NECESSARY TO ENSURE PROPER USE AND

DISPOSAL OF MATERIALS ON SITE.

* WHENEVER POSSIBLE, ALL OF A PRODUCT SHOULD BE USED UP BEFORE DISPOSING OF

THE CONTAINER.

* MANUFACTURER’S RECOMMENDATIONS FOR PROPER USE AND DISPOSAL SHOULD BE

FOLLOWED.

FOR BUILDING PRODUCTS:

STORE IN DESIGNATED STORAGE AREAS AND PROVIDE EITHER A COVER (E.G.,

PLASTIC SHEETING OR TEMPORARY ROOFS) TO PREVENT THESE PRODUCTS

FROM COMING INTO CONTACT WITH RAINWATER, OR A SIMILARLY EFFECTIVE

MEANS DESIGNED TO PREVENT THE DISCHARGE OF POLLUTANTS FROM THESE

AREAS.

FOR PESTICIDES, HERBICIDES, INSECTICIDES, FERTILIZERS, AND LANDSCAPE

MATERIALS:

STORE IN DESIGNATED STORAGE AREAS AND PROVIDE EITHER A COVER (E.G.,

PLASTIC SHEETING OR TEMPORARY ROOFS) TO PREVENT THESE CHEMICALS

FROM COMING INTO CONTACT WITH RAINWATER, OR A SIMILARLY EFFECTIVE

MEANS DESIGNED TO PREVENT THE DISCHARGE OF POLLUTANTS FROM THESE

AREAS. PULTE MUST ALSO COMPLY WITH ALL APPLICATION AND DISPOSAL

REQUIREMENTS INCLUDED ON THE REGISTERED PESTICIDE, HERBICIDE,

INSECTICIDE, AND FERTILIZER LABEL.

FOR DIESEL FUEL, OIL, HYDRAULIC FLUIDS, OTHER PETROLEUM PRODUCTS, AND

OTHER CHEMICALS:

STORE CHEMICALS IN WATER-TIGHT CONTAINERS, AND PROVIDE EITHER A COVER

(E.G., PLASTIC SHEETING OR TEMPORARY ROOFS) TO PREVENT THESE CONTAINERS

FROM COMING INTO CONTACT WITH RAINWATER, OR A SIMILARLY EFFECTIVE MEANS

DESIGNED TO PREVENT THE DISCHARGE OF POLLUTANTS FROM THESE AREAS (E.G.,

SPILL KITS), OR PROVIDE SECONDARY CONTAINMENT (E.G., SPILL BERMS, DECKS, SPILL

CONTAINMENT PALLETS). SPILLS MUST BE CLEANED UP IMMEDIATELY, USING DRY CLEAN-UP

METHODS WHERE POSSIBLE. DO NOT CLEAN THE SURFACES OR SPILLS BY HOSING THE

AREA DOWN. ELIMINATE THE SOURCE OF THE SPILL TO PREVENT A DISCHARGE OR A

CONTINUATION OF AN ONGOING DISCHARGE.

APPROVED STATE OR LOCAL PLANS

THE MANAGEMENT PRACTICES, CONTROLS, AND OTHER PROVISIONS CONTAINED IN THIS

PLAN ARE AT LEAST AS PROTECTIVE AS THE REQUIREMENTS CONTAINED IN THE

PROCEDURES AND STANDARDS FOR URBAN SOIL EROSION AND SEDIMENTATION PLAN THAT

ARE APPLICABLE TO PROTECTING SURFACE WATER RESOURCES ARE, UPON SUBMITTAL OF

A NOTICE OF INTENT TO BE AUTHORIZED TO DISCHARGE UNDER THIS PERMIT,

INCORPORATED BY REFERENCE AND ARE ENFORCEABLE UNDER THIS PERMIT EVEN IF

THEY ARE NOT SPECIFICALLY INCLUDED IN THE PLAN.

ILLINOIS ENVIRONMENTAL PROTECTION AGENCY'S STANDARDS AND SPECIFICATIONS FOR

SOIL EROSION AND SEDIMENT CONTROL, DATED DECEMBER 2012. ILLINOIS

VEGETATION, EROSION AND SEDIMENT CONTROL MEASURES AND OTHER PROTECTIVE

MEASURES IDENTIFIED IN THIS PLAN AND THE OMP STANDARD SPECIFICATIONS P-156

AND T-901 MUST BE MAINTAINED IN GOOD AND EFFECTIVE OPERATING CONDITIONS.

FOR EACH SPECIFIC EROSION AND SEDIMENT CONTROL MEASURE, MAINTENANCE AND

INSPECTION, CONTRACTOR MUST REFER TO THE ILLINOIS URBAN MANUAL STANDARD

PRACTICE.

MAINTENANCE

DISTURBED AREAS OF THE CONSTRUCTION SITE WHICH HAVE NOT BEEN FINALLY

DISTURBED AREAS AND AREAS USED FOR STORAGE OF MATERIALS THAT ARE EXPOSED TO

PRECIPITATION MUST BE INSPECTED FOR EVIDENCE OF OR THE POTENTIAL FOR,

POLLUTANTS ENTERING THE DRAINAGE SYSTEM. EROSION AND SEDIMENT CONTROL

MEASURES IDENTIFIED IN THE PLAN MUST BE OBSERVED TO ENSURE THAT THEY ARE

OPERATING CORRECTLY. WHERE DISCHARGE LOCATIONS OR POINTS ARE ACCESSIBLE,

THEY MUST BE INSPECTED TO ASCERTAIN WHETHER EROSION CONTROL MEASURES ARE

EFFECTIVE IN PREVENTING SIGNIFICANT IMPACTS TO RECEIVING WATERS. LOCATIONS

WHERE VEHICLES ENTER OR EXIT THE SITE MUST BE INSPECTED FOR EVIDENCE OF

OFF-SITE SEDIMENT TRACKING.

NAME(S) AND QUALIFICATIONS OF PERSONNEL MAKING THE INSPECTION, THE DATE(S)

OF THE INSPECTION, MAJOR OBSERVATIONS RELATING TO THE IMPLEMENTATION OF

THIS STORMWATER POLLUTION PREVENTION PLAN, AND ACTIONS TAKEN. THE REPORT

MUST BE MADE AND RETAINED AS PART OF THE PLAN FOR AT LEAST THREE (3) YEARS

AFTER THE DATE OF THE INSPECTION. THE REPORT MUST BE SIGNED IN ACCORDANCE

IF ANY VIOLATION OF THE PROVISIONS OF THIS PLAN IS IDENTIFIED DURING THE

CONDUCT OF THE CONSTRUCTION WORK COVERED BY THIS PLAN, THE RESIDENT

ILLINOIS ENVIRONMENTAL PROTECTION AGENCY

DIVISION OF WATER POLLUTION CONTROL

ATTN: COMPLIANCE ASSURANCE SECTION

1021 NORTH GRAND AVENUE EAST

POST OFFICE BOX 19276

SPRINGFIELD, IL 62794-9276

INSPECTIONS

THE COMMISSIONER AND CONTRACTOR MUST PROVIDE QUALIFIED PERSONNEL TO INSPECT

ENGINEER OR COMMISSIONER'S REPRESENTATIVE MUST NOTIFY THE APPROPRIATE AGENCY

FIELD OPERATIONS OFFICE OF THE IEPA BY EMAIL, TELEPHONE OR FAX WITHIN 24 HOURS

OF ANY INCIDENCE OF NON-COMPLIANCE (ION) OR FOR VIOLATIONS OF ANY CONDITION

OF THE PERMIT. ADDITIONALLY, THE COMMISSIONER'S REPRESENTATIVE MUST FILE WITHIN

5 DAYS, FORMS PROVIDED BY THE ILLINOIS ENVIRONMENTAL PROTECTION AGENCY

AND WILL INCLUDE SPECIFIC INFORMATION ON THE CAUSE OF NONCOMPLIANCE, ACTIONS

WHICH WERE TAKEN TO PREVENT FURTHER CAUSES OF NONCOMPLIANCE, AND A

STATEMENT DETAILING ANY ENVIRONMENTAL IMPACT WHICH MAY HAVE RESULTED

FROM THE NONCOMPLIANCE. ALL REPORTS OF NONCOMPLIANCE MUST BE SIGNED

BY A RESPONSIBLE AUTHORITY IN ACCORDANCE WITH PART VI.G OF THE GENERAL PERMIT.

THE REPORT OF NONCOMPLIANCE MUST BE MAILED TO THE FOLLOWING ADDRESS:

AT THE DISCRETION OF THE COMMISSIONER, NCCSWCD, KDSWCD, OR UNITED STATES ARMY CORPS

OF ENGINEERS (USACE), VIOLATIONS FOUND DURING INSPECTIONS MUST BE CORRECTED

WITHIN SEVEN (7) DAYS IF MINOR, THREE (3) DAYS IF MODERATE, AND IMMEDIATELY IF SEVERE.

STABILIZED, STRUCTURAL CONTROL MEASURES, DISCHARGE POINTS, AND LOCATIONS

WHERE VEHICLES ENTER OR EXIT THE SITE. SUCH INSPECTIONS MUST BE CONDUCTED

AT LEAST ONCE EVERY 7 DAYS AND WITHIN 24 HOURS OF THE END OF A STORM, OR BY THE

END OF THE FOLLOWING BUSINESS OR WORK DAY, THAT IS 0.5 INCHES OR GREATER.

INSPECTIONS MAY BE REDUCED TO ONCE PER MONTH WHEN CONSTRUCTION ACTIVITIES

HAVE CEASED DUE TO FROZEN CONDITIONS. INSPECTIONS MUST COMMENCE WHEN

CONSTRUCTION ACTIVITIES ARE CONDUCTED, OR IF THERE IS A 0.5 INCHES OR GREATER

RAIN EVENT, OR DISCHARGE DUE TO SNOWMELT OCCURS.

WITH PART VI.G OF THE ILR10 GENERAL PERMIT.

DURING DEWATERING OPERATIONS, WATER MUST BE PUMPED INTO FILTER BAGS,

SEDIMENT TRAPS OR SILT TRAPS. FILTERED WATER MUST BE DISCHARGED ONTO

STABILIZED SURFACE TO PREVENT ADDITIONAL EROSION AND SEDIMENTATION.

* WATERS USED TO CONTROL DUST

* POTABLE WATER SOURCES INCLUDING UNCONTAMINATED WATERLINE FLUSHINGS

* LANDSCAPE IRRIGATION DITCHES

* WATERS USED TO WASH VEHICLES WHERE DETERGENTS ARE NOT USED

ROUTINE EXTERNAL BUILDING WASHDOWN WHICH DOES NOT USE

DETERGENTS

PAVEMENT WASHWATERS WHERE SPILLS OR LEAKS

OF TOXIC OR HAZARDOUS MATERIALS MAY HAVE NOT OCCURRED

(UNLESS ALL MATERIAL HAS BEEN REMOVED) AND DETERGENTS

ARE NOT USED

UNCONTAMINATED AIR CONDITIONING CONDENSATE

SPRINGS

UNCONTAMINATED GROUND WATER

FOUNDATION OR FOOTING DRAINS WHERE FLOWS ARE NOT CONTAMINATED

WITH PROCESS MATERIALS SUCH AS SOLVENTS

THE PLAN MUST IDENTIFY AND ENSURE THE IMPLEMENTATION OF APPROPRIATE POLLUTION

PREVENTION AND EROSION AND SEDIMENT CONTROL MEASURES FOR THE NON-STORMWATER

COMPONENTS OF THE DISCHARGE.

NON-STORMWATER DISCHARGES

THE FOLLOWING NON-STORM WATER DISCHARGES MAY BE AUTHORIZED PROVIDED THE

NON-STORM WATER COMPONENT OF THE DISCHARGES IS IN COMPLIANCE WITH PART IV.D.5

OF THE ILR10 PERMIT:

FIRE HYDRANT FLUSHING

DISCHARGES FROM FIREFIGHTING ACTIVITES

THE FOLLOWING NON-STORM WATER DISCHARGES ARE PROHIBITED:

CONCRETE AND WASTEWATER FROM WASHOUT OF CONCRETE (UNLESS MANAGED BY

AN APPROPRIATE CONTROL)

* DRYWALL COMPOUND

* WASTEWATER FROM WASHOUT AND CLEANOUT OF STUCCO AND PAINT

* FORM RELEASE OILS

* CURING COMPOUNDS

* CONSTRUCTION MATERIALS, FUELS, OILS, OR OTHER POLLUTANTS USED IN

VEHICLE AND EQUIPMENT OPERATION AND MAINTENANCE

* SOAPS, SOLVENTS, OR DETERGENTS

* TOXIC OR HAZARDOUS SUBSTANCES FROM A SPILL OR OTHER RELEASE

* OR ANY OTHER POLLUTANT THAT COULD CAUSE OR TEND TO CAUSE WATER POLLUTION

THE CONTRACTOR MUST PREPARE REPORT SUMMARIZING THE SCOPE OF THE INSPECTION,

CS-114

SWPPP - CERTIFICATION,

LEGEND & SCHEDULE





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INSPECTION AND MAINTENANCE SCHEDULE

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FEB. MAR. APR. MAY JUNE JULY AUG. OCT. NOV. DEC.SEPT.

PROPOSED WORK SCHEDULE

SOIL PROTECTION SCHEDULE

SWPPP OPERATOR CERTIFICATION STATEMENT

SW

PP

P O

PE

RA

TO

RS

UB

-C

ON

TR

AC

TO

R

CONTRACTOR CERTIFICATION

AG

EB

GT

P

AGGREGATE COVER

EROSION BLANKET

M MULCHING

PAVING

GEO-TEXILE FABRIC

PM POLYMER (POWDERED FORM)

LA LINED APRONOUTLETS

DS

PS

SO

TS

DORMANT SEEDING

PERMANENT SEEDING

PLANTS, TREES, & SHRUBSPTS

SODDING

TEMPORARY SEEDING

VF VEGETATIVE FILTER

FL

PM

SP SUMP PIT AND FILTER BAG

POLYMER (FLOC LOG FORM)

POLYMER (POWDERED FORM)

JN JUTE NETTING

ABOVE GROUND INLET PROTECTION

DT

SE

DUST AND TRAFFIC CONTROL

STABILIZED CONST. ENTRANCE

CULVERT INLET PROTECTION - STONE

RS CONSTRUCTION ROAD STABILIZATION

IPA

IPB

IPC

SF SILT FENCE

XS

ST

EXCAVATED SEDIMENT BASIN

TEMPORARY SEDIMENT TRAPS

CD

DIVERSIONS RD

CHANNEL DIVERSION

RIDGE DIVERSION

SD TEMPORARY SLOPE DRAIN

GC

RC

RR

SL

ROCK CHECK DAM - RIP RAP

SEDIMENT LOG

GEOSYNTHETIC CHECK STRUCTURE

SS

UD

STORM SEWER

UNDERDRAIN

CW

TO

TEMPORARY CONCRETE WASHOUT

TOPSOILING

LC

VC

LINED CHANNEL

VEGETATIVE CHANNEL

SSS

VSS

CC

MULCH

POLYMERS

STABILIZATION TYPE

TYPE 3 - DORMANT SEED MIX

TEMPORARY SEEDING

EROSION BLANKET / HYDROMULCH

STABILIZATION DURING CONSTRUCTION MAINTENANCE

RESPONSIBLE PARTYACTIVITY

VEGETATION MAINTENANCE

VEGETATION AND STABILIZATION MAINTENANCE DEPARTMENT OF AVIATION

COMPLETION OF CONTRACT

ONGOING AFTER CONSTRUCTION COMPLETION

CONTRACTOR

TYPE 1:

TYPE 2:

TYPE 3:

TEMP. SEEDING:

FINAL STABILIZATIONDESCRIPTION OF CONSTRUCTION ACTIVITIESMOBILIZATION / IMPLEMENT EROSION CONTROL

TYPE 2 - LATE FALL SEED MIX

TYPE 1 - OMP PERMANENT SEED MIX

DURATION

STABILIZATION DURING CONSTRUCTION-OBSERVATION

NO

TE

:

COMMISSIONER

COMMISSIONER

FO

R P

UR

PO

SE

S O

F T

HIS

N

OT

E, S

WP

PP

IN

CLU

DE

S:

1. A

LL S

OIL E

RO

SIO

N A

ND

S

ED

IM

EN

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ON

TR

OL P

LA

N S

HE

ET

S A

ND

D

ET

AILS

2. G

RA

DIN

G P

LA

NS

3. E

XIS

TIN

G C

ON

DIT

IO

NS

A

ND

D

EM

OLIT

IO

N P

LA

NS

4. U

TILIT

Y P

LA

NS

S

HO

WIN

G D

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IN

AG

E A

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S

TO

RM

S

EW

ER

S

YS

TE

MS

5. ILR

10 N

PD

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IN

SP

EC

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EP

OR

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6. A

SS

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IA

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D S

PE

CIF

IC

AT

IO

NS

WITH THE

APPROVAL

OF DIRECTOR

OR UNTIL

GROUND

FREEZES

"I CERTIFY UNDER PENALTY OF LAW THAT I UNDERSTAND THE TERMS AND CONDITIONS OF THE GENERAL NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT

ILR10 THAT AUTHORIZES THE STORM WATER DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY FROM THE CONSTRUCTION SITE IDENTIFIED AS PART OF THIS CERTIFICATION."

"I CERTIFY UNDER PENALTY OF LAW THAT THIS DOCUMENT AND ALL ATTACHMENTS WERE PREPARED UNDER MY DIRECTION OR SUPERVISION IN ACCORDANCE WITH A SYSTEM

DESIGNED TO ASSURE THAT QUALIFIED PERSONNEL PROPERLY GATHERED AND EVALUATED THE INFORMATION SUBMITTED. BASED ON MY INQUIRY OF THE PERSON OR PERSONS

WHO MANAGE THE SYSTEM, OR THOSE PERSONS DIRECTLY RESPONSIBLE FOR GATHERING THE INFORMATION, THE INFORMATION IS, TO THE BEST OF MY KNOWLEDGE AND BELIEF,

TRUE, ACCURATE, AND COMPLETE. I AM AWARE THAT THERE ARE SIGNIFICANT PENALTIES FOR SUBMITTING FALSE INFORMATION, INCLUDING THE POSSIBILITY OF FINE AND

IMPRISONMENT FOR KNOWING VIOLATIONS."

GE

NE

RA

L

CO

NT

RA

CT

OR

WIT

NE

SS

ED

BY

O

WN

ER

TALL FESCUE @ 325 LBS/ACRE (FOR OMP PERMANENT SEED MIX TALL FESCUE VARIETIES, REFER TO OMP SPECIFICATION

T-901 SEEDING (AIRSIDE) OR SPECIFICATION 02931 SEEDING AND HYDRO-MULCHING LANDSIDE / OUTSIDE AIRPORT PROPERTY)

TALL FESCUE @ 250 LBS/ACRE AND PERENNIAL RYE @ 75 LBS/ACRE

TALL FESCUE @ 300 LBS/ACRE AND PERENNIAL RYE @ 75 LBS/ACRE

PERENNIAL RYE 25 LBS/ACRE AND CEREAL RYE 90 LBS/ACRE, OR PERENNIAL RYE @

25 LBS/ACRE AND SPRING OATS @ 90 LBS/ACRE FOR TEMPORARY SEEDING, EROSION

CONTROL BLANKET/HYDROMULCH, MULCH AND POLYMERS, REFER TO OMP SPECIFICATION P-156

CONTROL

MEASURE

GROUP

CONTROL MEASURE CONTROL MEASURE CHARACTERISTICS

TE

MP

OR

AR

Y

PE

RM

AN

EN

T

KE

Y

PROVIDES SOIL COVER ON ROADS AND PARKING LOTS AND AREAS

WHEREVEGETATION CANNOT BE ESTABLISHED. PREVENTS MUD FROM BEING

PICKEDUP AND TRANSPORTED OFF-SITE.

ADDED INSURANCE OF A SUCCESSFUL TEMPORARY OR PERMANENT SEEDING.

CONTROLS UNWANTED VEGETATION AND PRESERVES MOISTURE. PROVIDESCOVER

WHERE VEGETATION CANNOT BE ESTABLISHED.

PROTECTS THE SOIL SURFACE FROM RAINDROPIMPACTS AND OVERLAND FLOW

DURING THE ESTABLISHMENT OF VEGETATION.REDUCES SOIL MOISTURE LOSS DUE

TO EVAPORATION.

PROVIDES PERMANENT COVER ON PARKING LOTS AND ROADS OR OTHER

AREASWHERE VEGETATION CANNOT BE ESTABLISHED.

NON-

VEGETATIVE

SOIL COVER

- X

X X

X X

X

X X

A PERMEABLE GEOSYNTHETIC FABRIC USED TO ENHANCE WATER MOVEMENT

AND RETARD SOIL MOVEMENT; AND AS A BLANKET TO ADD REINFORCEMENT

AND SEPARATION

A WATER SOLUBLE POLYACRYLAMIDE (PAM) IN POWDER FORM, USED

FOR EROSION CONTROL WHEN BROADCASTED ON DISTURBED SOIL.

X

X -

X X

PROTECTS DOWNSTREAM CHANNELS AND FLAT AREAS FROM HIGH VELOCITY

OF FLOW DISCHARGING FROM STRUCTURES.

PROVIDES QUICK TEMPORARY COVER TO CONTROL EROSION WHEN

PERMANENTSEEDING IS NOT DESIRED OR TIME OF YEAR IS INAPPROPRIATE.

QUICK PERMANENT COVER TO CONTROL EROSION. QUICK WAY TO

ESTABLISHVEGETATION FILTER STRIP. CAN BE USED ON STEEP SLOPES OR

INDRAINAGEWAYS WHERE SEEDING MAY BE DIFFICULT.

SAME AS PERMANENT SEEDING EXCEPT IS DONE DURING DORMANT SEASON.

HIGHER RATES OF SEED APPLICATION ARE REQUIRED.

PROVIDES PERMANENT VEGETATIVE COVER TO CONTROL EROSION,

FILTERSSEDIMENT FROM WATER. MAY BE PART OF FINAL LANDSCAPE PLAN.

PROVIDES GROUND COVER, SHRUBS AND TREES IN ADDITION TO

PERMANENTVEGETATION. MAY BE USED AS PART OF A FINAL LANDSCAPE PLAN

ALONGWITH SHRUBS AND TREES.

VEGETATIVE

SOIL COVER

X X

- X

X -

- X

X X

USED ALONG DRAINAGEWAYS OR PROPERTY LINES TO FILTER SEDIMENT

FROMRUNOFF. SIZE MUST BE INCREASED IN PROPORTION TO DRAINAGE AREA.

X X

TEMPORARY PRACTICE TO REMOVE EXCESSIVE WATER FROM EXCAVATIONWITH

IMPROVED WATER QUALITY AND WITHOUT SEDIMENT

X -

X -

X -

A WATER SOLUBLE POLYACRYLAMIDE (PAM) USED IN FLOWING CONDITIONS

TO REMOVE SUSPENDED SEDIMENT FROM STORM WATER.

A WATER SOLUBLE POLYACRYLAMIDE (PAM) IN POWDER FORM, USED IN

CONJUNCTION WITH FLOC LOGS AND JUTE IN FLOWING CONDITIONS, TO

REMOVE SUSPENDED SEDIMENT.

A NATURAL FIBER MESH USED FOR EROSION AND SEDIMENT CONTROL.MAY BE USED

IN COMBINATION WITH POLYMERS AND FLOC LOGS TOREMOVE SUSPENDED

SEDIMENT FROM STORM WATER.

X -

DEWATERING

INLETPROTECTION

PREVENT MUD FROM BEING PICKED UP AND CARRIED OFF-SITE.

PREVENTS DUST FROM LEAVING CONSTRUCTION SITE.

X -

X -

X -

X X

X X

BELOW GROUND INLET PROTECTION

(INLET BASKET)

X -

STABILIZATION OF TEMPORARY CONSTRUCTION ACCESS ROUTES TO REDUCE

EROSION OF TEMPORARY ROADBEDS AND PARKING AREAS.

MUD &

DUST CONTROL

TEMPORARY PRACTICE TO CONTROL SEDIMENT AT STORM DRAIN INLET FOR

INSIDE DISTURBED DRAINAGE AREAS.

TEMPORARY PRACTICE TO CONTROL SEDIMENT AT STORM DRAIN INLET FOR

ALL CONCRETE AND PAVED SURFACES.

TEMPORARY PRACTICE TO CONTROL SEDIMENT AT CULVERT INLETS.

X -

PERIMETER

CONTROL

USED FOR SINGLE LOTS OR DRAINAGE AREAS LESS THAN 1/2 ACRE TO

CONTROLSEDIMENT FROM RUNOFF.

X -

X -

A TEMPORARY PONDING BASIN, WITH OUTLET STRUCTURE, FORMED BY

CONSTRUCTION OF AN EMBANKMENT OR EXCAVATED BASIN TO TEMPORARILY

DETAIN SEDIMENT-LADEN RUNOFF FROM LARGER DISTURBED AREAS. USED

WHEN DRAINAGE AREA IS GREATER THAN 5 ACRES.

A TEMPORARY PONDING BASIN FORMED BY CONSTRUCTION OF AN EMBANKMENT

OR EXCAVATED BASIN TO TEMPORARILY DETAIN SEDIMENT-LADEN RUNOFF FROM

SMALL, DISTURBED AREAS. USED WHEN DRAINAGE AREA IS LESS THAN 5 ACRES.

TEMPORARY

SEDIMENT

BASINS/

TRAPS

X X

X X

TYPICALLY USED AT TOP OR BASE OF SLOPES. USED WHEN EXCESS SOILIS NOT AVAILABLE.

TYPICALLY USED ABOVE SLOPES. USED WHERE AN EXCESS OF SOILIS AVAILABLE.

X -

A TUBING OR CONDUIT TO CONVEY CONCENTRATED RUNOFF DOWN A SLOPE

WITHOUT CAUSING EROSION ON OR BELOW THE SLOPE.

ROCK CHECK DAM - COARSE

AGGREGATE

TEMPORARY PRACTICE TO REDUCE VELOCITY AND TRAP SEDIMENT

X -

X -

X -

X -

TEMPORARY PRACTICE TO REDUCE VELOCITY AND TRAP SEDIMENT.

A ROCK DAM CONSTRUCTED ACROSS A SWALE OR DITCH TO REDUCE THE

VELOCITY OF CONCENTRATED STORM WATER FLOWS. TO BE USED WHEN

EACH DAM HAS A DRAINAGE AREA OF LESS THAN 2 ACRES.

A ROCK DAM CONSTRUCTED ACROSS A SWALE OR DITCH TO REDUCE THE

VELOCITY OF CONCENTRATED STORM WATER FLOWS. TO BE USED WHEN

EACH DAM HAS A DRAINAGE AREA OF LESS THAN 10 ACRES.

CHECK

DAMS

--

DITCH

CHECKS

ENCLOSED

DRAINAGE

CAN BE USED TO CONVEY SEDIMENT LADEN WATER TO SEDIMENT BASIN OR IN

CONJUNCTION WITH A WATERWAY.

USED TO LOWER WATER TABLE AND INTERCEPT GROUNDWATER FOR BETTER

VEGETATION GROWTH AND SLOPE STABILITY. USED TO CARRY BASE FLOW IN

WATERWAYS AND TO DEWATER SEDIMENT BASINS.

X X

X X

X -

X X

OTHER

A DEVICE USED TO MANAGE LIQUID AND SOLID WASTES FROM CONCRETE

USAGE ON CONSTRUCTION SITES.

METHODS OF PRESERVING AND USING TOPSOIL TO PROVIDE A SUITABLE GROWTH

MEDUIM FOR SITE STABILIZATION WITH VEGETATION.

VEGETATIVE STREAMBANKSTABILIZATION

PROTECTS STREAMBANKS FROM THE EROSIVE FORCE OF FLOWING WATER AND

PROVIDES NATURAL, PLEASING APPEARANCE

PROVIDED ADDED STABILITY TO CHANNEL. USED WHEN VELOCITY OF FLOWIS NOT

EXTREMELY FAST.

PROTECTS STREAMBANKS FROM EROSIVE FORCE OF FLOWING WATER

USED WHEN VEGETATION WILL NOT PROTECT THE CHANNEL AGAINST

HIGHVELOCITIES OF FLOW OR WHERE VEGETATION CANNOT BE ESTABLISHED.

X X

- X

X X

- X

WATERWAYS -XTEMPORARY CREEK CROSSING

A TEMPORARY STRUCTURE INSTALLED ACROSS A WATERCOURSE TO ALLOW

CONSTRUCTION VEHICLES TO CROSS WITHOUT CAUSING SEDIMENTATION,

STREAMBED DAMAGE, OR FLOODING.

STRUCTURAL STREAMBANK

STABILIZATION - RIPRAP/GABIONS

MIS

CE

LL

AN

EO

US

RU

NO

FF

C

ON

TR

OL

SE

DIM

EN

T C

ON

TR

OL

ER

OS

IO

N C

ON

TR

OL

X

XXX DAYS XXX DAYS XXX DAYS

AP

PLIC

AB

LE

AT LEAST ONCE EVERY 7 CALENDAR DAYS AND

WITHIN 24 HOURS OF THE END OF A RAIN EVENT,

OR BY THE END OF THE FOLLOWING BUSINESS

OR WORK DAY, THAT IS 0.5 INCHES OR GREATER.

AT LEAST ONCE EVERY 7 CALENDAR DAYS AND

WITHIN 24 HOURS OF THE END OF A RAIN EVENT,

OR BY THE END OF THE FOLLOWING BUSINESS

OR WORK DAY, THAT IS 0.5 INCHES OR GREATER.

SIGNATURE

COMPANY

TITLE

DATE

SIGNATURE

COMPANY

TITLE

DATE

SIGNATURE

COMPANY

TITLE

DATE

SIGNATURE

COMPANY

TITLE

DATE

RESPONSIBLE FOR

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

DROP INLET PROTECTION

PERMANENT SEEDING

WITH 4" TOPSOIL

EROSION CONTROL LEGEND

STANDARD EROSION CONTROL

BLANKET

SILT FENCE

CS-121

EROSION CONTROL PLAN





IS

SU

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F

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B

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NOT FOR




T.847.756.4180




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